num2=100
def is_prime(n):
    num=10
    if n<2:
        return False
    for i in range(2,int(n **0.5)+1):
        if n%i==0:
            return False
        return True
    print(is_prime(7))

    def factiorial(n):
        if n==1:
            return 1
        else:
            return n*factiorial(n-1)
